html,body{
    margin: 0 auto;
    width: 100%;
    max-width: 640px;
    min-width: 300px;
}
/*header B*/
header{
    display: flex;
    text-align: center;
    height: 50px;
    line-height: 50px;
    background: #E26832;
    position: relative;
}
header>a{
    position: absolute;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    height: 100%;
    width: 40px;
}
header>a:hover{
    color: #fff;
}
header>h3{
    flex: 1;
}
/*header E*/

/*planDetails B*/
.planDetails{
     display: flex;
    width: 500px;
    height: 200px;
    margin: 50px 0 0  100px;
    border: 1px solid #666;
    border-radius: 10px;
}
input[type="button"]{
    margin-top: 100px;
    border: 1px solid #666;
    background: pink;
    /*height: 20px;*/
}

.allCheck,.isSure{
    text-align: center;
    width: 100px;
    height: 20px;
    background: green;
}
.hide{
    display: none;
}
.show{
    display: block;
}


/*planDetails E*/